package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;


/**
 * 菜品相关接口
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品，菜品数据：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理redis 缓存
        String key = "dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param dishPageQueryDTO
     * @return
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询，参数为：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);

    }

    /**
     * 删除菜品
     * @param ids ids=1,2,3
     * @return
     */
    @DeleteMapping()
    @ApiOperation("删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("删除菜品，id为：{}",ids);
        dishService.deleteBatch(ids);

        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }


    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品，id为：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品，菜品数据：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("启用禁用菜品")
    public Result status(@PathVariable Integer status, Long id){
        log.info("启用禁用菜品，状态为：{}，id为：{}",status,id);
        dishService.startOrStop(status,id);

        //将所有菜品的缓存数据清理掉，所有以dish_开头的key
        cleanCache("dish_*");
        return Result.success();
    }

    /**
     * 根据分类id查询菜品和模糊查询
     * @param dishDTO
     * @return
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(DishDTO dishDTO) {
        log.info("根据分类id查询菜品，菜品信息为：{}", dishDTO);
        List<Dish> list = dishService.list(dishDTO);
        return Result.success(list);
    }
    /*@GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        log.info("根据分类id查询菜品，分类id为：{}", categoryId);
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }*/

    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);

    }
}
